June was thinking of a number, she halves it and gets an answer of 24.3. What was the original number?

What expression is equivalent to 42x-56y

Divide. write in the simplest form. 4 1/6 divided by 10

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2